NSI Industries PTO-4/0 - Offset Pin Terminal 4/0 AWG All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
NSI Industries

PTO-4/0

UPC: 662381033222

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Overview

The NSI Industries PTO-4/0 Offset Pin Terminal (SKU: PTO-4/0) is a dual-rated compression connector engineered for terminating 4/0 AWG aluminum or copper conductors in tight spaces. Unlike standard pin terminals, the PTO series features an offset pin design, enabling side-by-side installations without interference, ideal for paralleling cables or dense panel layouts. The solid aluminum pin is tin-plated for low contact resistance and corrosion resistance, pre-filled with oxide inhibitor to prevent oxidation at the termination point. A color-coded cap (white for 2/0 AWG range) indicates the correct die size for crimping, while a PVC insulating cover ensures rapid installation and insulation integrity. Rated for 600V maximum and 90°C operating temperature, the PTO-4/0 meets UL486A/B standards for wire connector adapters. It is compatible with stranded conductors and designed for use with NSI’s N1240 crimp tool. The offset pin design reduces bending stress on conductors during installation, improving long-term reliability in high-current applications. Typical use cases include power distribution panels, motor control centers, and renewable energy systems where space constraints and conductor compatibility are critical. Key specifications: Pin diameter 0.547 inches, overall length 3.523 inches, body length 2.050 inches. Standard carton quantity is 10 units. For paralleling applications or installations requiring multiple terminations in close proximity, the PTO-4/0 provides a durable, low-resistance connection that maintains integrity under thermal cycling and mechanical stress.
  • Dual-rated for aluminum and copper 4/0 AWG conductors
  • Offset pin design enables side-by-side installations in tight spaces
  • Tin-plated aluminum pin with pre-applied oxide inhibitor for corrosion resistance
  • Rated 600V and 90°C, UL486A/B listed for wire connector adapters
  • Includes color-coded cap and PVC insulating cover for quick installation

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
White
Conductor Range
4/0 AWG (STR)
Connection
2/0 Pin
Environmental Conditions
90 C
Finish
Tin Plated
Insulation
Plastisol Cover
Material
Aluminum
Number of Conductors
1
Number Of Poles
1
Size
L=2.79 - OD=.850 - ID=.547 - Pin Dia=.420
Special Features
4/0 AWG (STR) - 2/0 Pin Size
Standard
UL486
Temperature Rating
90 C
Type
Offset Pin
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
2.78 IN x 0.85 IN x 0.85 IN
Package Dimensions (L x W x H)
7.0612 cm x 21.59 mm x 21.59 mm
Package Weight (Imperial)
1.000 L
Package Weight (Metric)
0.454 kg
Stranded Bi-Metallic Pin Terminal 4/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.

PT4/0

Stranded Bi-Metallic Pin Terminal 4/0 AWG Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.
Aluminum Reducing Splice Connector for Copper Wire Size 2/0, Aluminum Wire Size 4/0, Tin Plated, Die Code 66H, Die Color Code White

60945

Aluminum Reducing Splice Connector for Copper Wire Size 2/0, Aluminum Wire Size 4/0, Tin Plated, Die Code 66H, Die Color Code White
Aluminum splice, type SA, tin plated, 4/0 AWG.

SA4/0-5

Aluminum splice, type SA, tin plated, 4/0 AWG.

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

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Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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